References

↑Konami OCG Card Database: Can an "Elemental HERO" monster that was sent from the Extra Deck to the Graveyard by the effect of "Success Probability 0%" be Special Summoned by the effect of "Elemental HERO Core"?

↑Konami OCG Card Database: Can "Must be Fusion Summoned and cannot be Special Summoned by other ways." Fusion Monsters like "Elemental HERO Gaia" targeted by the effect of "Elemental HERO Core"?